Definition: SDSL is a form of Digital Subscriber Line (DSL) service that provides equal bandwidth for both uploads and downloads. Originally developed in Europe, SDSL was one of the earliest forms of DSL to not require multiple telephone lines.
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SDSL possesses all of the common characteristics of DSL, including an "always on" combination of voice and data services, availability limited by physical distance, and high speed access compared to analog modems. SDSL supports data rates up to 3,088 Kbps.
Also Known As: Symmetric Digital Subscriber Line, Single-line DSL
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Related Resources:
DSL Tutorial
This multi-part article discusses the nuts and bolts of DSL technology, service availability, and more.DSL Directory
These directory pages link to the best online resources for DSL including SDSL.
